Central Isaan is a region of Thailand. Geographically it is part of the Chi River Basin.
- 1 Amnat Charoen
- 2 Chaiyaphum
- 3 Kalasin
- 4 Khon Kaen - large city and the end of the highway from Bangkok
- 5 Maha Sarakham
- 6 Roi Et
- 7 Yasothon
Khon Kaen can be reached from Bangkok or Nong Khai (for Vientiane) on the northeastern train line. The journey from Nong Khai takes 2-3 hours, and 7-9 hours from Bangkok. There are 4 trains a day in either direction.